package lihao;

import java.util.Scanner;

public class Test03 {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        System.out.println("请输入year: ");
        int year = scan.nextInt();
        System.out.println("请输入month: ");
        int month = scan.nextInt();
        System.out.println("请输入day: ");
        int day = scan.nextInt();

        int sumDays = 0;

        switch (month) {
            case 12:
                sumDays += 30;
            case 11:
                sumDays += 31;
            case 10:
                sumDays += 30;
            case 9:
                sumDays += 31;
            case 8:
                sumDays += 31;
            case 7:
                sumDays += 30;
            case 6:
                sumDays += 31;
            case 5:
                sumDays += 30;
            case 4:
                sumDays += 31;
            case 3:
                if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0) {
                    sumDays += 29;
                } else {
                    sumDays += 28;
                }
            case 2:
                sumDays += 31;
            case 1:
                sumDays += day;
        }
        System.out.println(year + "年" + month + "月" + day + "日是当年的第" + sumDays + "天");
    }
}
